diff --git a/pkgs/by-name/sd/sdparm/package.nix b/pkgs/by-name/sd/sdparm/package.nix
index 721659e2d4f9..c1dcff7ca218 100644
--- a/pkgs/by-name/sd/sdparm/package.nix
+++ b/pkgs/by-name/sd/sdparm/package.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "1.12";
 
   src = fetchurl {
-    url = "http://sg.danny.cz/sg/p/sdparm-${finalAttrs.version}.tar.xz";
+    url = "https://sg.danny.cz/sg/p/sdparm-${finalAttrs.version}.tar.xz";
     sha256 = "sha256-xMnvr9vrZi4vlxJwfsSQkyvU0BC7ESmueplSZUburb4=";
   };